64 11 198 Removing and installing/replacing complete rear air conditioner: Notes

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WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Follow safety precautions when handling refrigerant. See safety instructions for HANDLING R 134A REFRIGERANT , HANDLING TETRAFLUORETHANE REFRIGERANT R134A , and HANDLING REFRIGERANT OIL .
Avoid contact with refrigerant and refrigerant oil.

IMPORTANT: Risk of damage!
Restart engine only when A/C system has been correctly filled.
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours:
Replace desiccant insert for A/C system. See REPLACING DESICCANT INSERT or REPLACING DESICCANT INSERT (CAPACITOR REMOVED) .

To ensure that the refrigerant is almost completely drained from the rear air conditioning:

In the diagnosis system under Service functions carry out the instruction for "Draining/filling refrigerant circuit".

Necessary preliminary tasks:

Drain off AIR CONDITIONING SYSTEM
Remove LUGGAGE COMPARTMENT PARTITION WALL

F03 only:

If necessary, remove cool box

Release screws (1).

Tightening torque 64 53 5AZ .

Carefully detach refrigerant lines (3) downwards from expansion valve (2).

Installation note:

Replace sealing rings.

Use special tool 00 9 030 to mount sealing rings without damaging them.

Fig 1: Identifying Expansion Valve, Refrigerant Lines And Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Fig 2: Removing Rear Air Conditioner

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten plug connection (1) and disconnect.

Release screws (4).

Tightening torque 64 11 1AZ .

Lift out expanding rivet (6).

Carefully remove rear air conditioning (2) in direction of arrow.

In so doing, feed first air duct (3) then air duct (5) out of respective connecting pieces.

Installation note:

Make sure retaining lug (1) is correctly latched in guide (2) on rear air conditioning (3).

Fig 3: Identifying Rear Air Conditioner, Retaining Lug And Guide

Courtesy of BMW OF NORTH AMERICA, INC.

Installation note:

Treat burr on punched body passage (2) with underbody protection*.

If necessary, renew sealant* on gaiter (1).

*Sourcing reference: refer to BMW Parts Department.

Fig 4: Identifying Treat Burr On Punched Body Passage And Gaiter

Courtesy of BMW OF NORTH AMERICA, INC.